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If you've resolved to save money this year, finding the best prepaid phone plan can help you reach ... And even though they're big name carriers, Verizon and AT&T have options that I can recommend ...

You can activate your AT&T SIM in-store, online, or by contacting customer service. The process is similar for postpaid and AT&T prepaid customers.

AT&T Prepaid is giving away free and discounted phones for tax season. Visit any store before April 17 to grab these deals.